Elmer, Jonathan (1995). „Terminate or Liquidate?: Poe Sensationalism, and the Sentimental Tradition”. Ур.: Shawn Rosenheim; Stephen Rachman. The American Face of Edgar Allan Poe. Baltimore: The Johns Hopkins University Press. стр. 116. ISBN0-8018-5025-8.
Hutchisson, James M. Poe. Jackson: University Press of Mississippi, 2005: 158. Hutchisson, James M. (2005). Poe. Univ. Press of Mississippi. ISBN1-57806-721-9.
Hutchisson, James M. Poe. Jackson: University Press of Mississippi. Hutchisson, James M. (2005). Poe. Univ. Press of Mississippi. стр. 157. ISBN1-57806-721-9.